Bài giảng Systems Analysis and Design - Chapter 10: Preparing the Systems ProposalSummary (Continued) The systems proposal Identifying costs and benefits Break-even analysis Cash-flow analysis Present value analysis Putting together an effective systems proposal Visual considerations Oral presentation
70 trang | Chia sẻ: vutrong32 | Ngày: 20/10/2018 | Lượt xem: 1141 | Lượt tải: 0
Bài giảng Systems Analysis and Design - Chapter 9: Describing Process Specifications and Structured DecisionsDecision Analysis Advantages Structured English is useful when many actions are repeated and when communicating with others is important Decision tables provide complete analysis of complex situations while limiting the need for change attributable to impossible situations, redundancies, or contradictions Decision trees are important when proper...
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Bài giảng Systems Analysis and Design - Chapter 8: Analyzing Systems Using Data DictionariesSummary The data dictionary A reference work containing data about data Include all data items from data flow diagrams Repository A larger collection of project information Defining data structures Defining elements
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Bài giảng Systems Analysis and Design - Chapter 7: Using Dataflow DiagramsSummary (Continued) Partitioning data flow diagrams Whether processes are performed by different user groups Processes execute at the same time Processes perform similar tasks Batch processes can be combined for efficiency of data Processes may be partitioned into different programs for security reasons
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Bài giảng Systems Analysis and Design - Chapter 6: Agile Modeling and PrototypingSummary (Continued) Core practices of the agile approach Stages in the agile development process User stories Agile lessons Scrum methodology Dangers to adopting innovative approaches
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Bài giảng Systems Analysis and Design - Chapter 5: Information Gathering: Unobtrusive MethodsSummary Sampling Designing a good sample Types of samples Sample size Hard data Quantitative document analysis Qualitative document analysis Observation Playscript STROBE STROBE elements Applying STROBE
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Bài giảng Systems Analysis and Design - Chapter 4: Information Gathering: Interactive MethodsSummary Interviewing Interview preparation Question types Arranging Questions The interview report Joint Application Design (JAD) Involvement and location Questionnaires Writing questions Using Scales and overcoming problems Design and order Administering and submitting
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Bài giảng Systems Analysis and Design - Chapter 3: Project ManagementSummary Project management fundamentals Project initiation Determining project feasibility Activity planning and control Project scheduling Managing systems analysis team members Problem definition Issues of the present system The objective for each issue The requirements that must be included in all proposed systems
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Bài giảng Systems Analysis and Design - Chapter 2: Understanding Organizational Style and Its Impact on Information SystemsSummary Organizational fundamentals Organizations as systems Levels of management Organizational culture Graphical representation of systems DFD ERD Use case diagrams and scenarios
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Bài giảng Systems Analysis and Design - Chapter 1: Assuming the Role of the Systems AnalystSummary Information is a key resource Systems analysts deal with many types of information systems Integration of traditional systems with new technologies Roles and qualities of the systems analyst The systems Development Life Cycle CASE tools Alternatives to structured analysis and design and to the SDLC
42 trang | Chia sẻ: vutrong32 | Ngày: 20/10/2018 | Lượt xem: 1251 | Lượt tải: 0
